Check the output of mediacapabilities with MediaSource

lib/util/stream_utils.js

@@ -425,7 +425,42 @@ shaka.util.StreamUtils = class {
     await shaka.util.StreamUtils.getDecodingInfosForVariants(
         manifest.variants, usePersistentLicenses, /* srcEquals= */ false);
     manifest.variants = manifest.variants.filter((variant) => {
+      // See: https://github.com/google/shaka-player/issues/3860
       const video = variant.video;
+      const ContentType = shaka.util.ManifestParserUtils.ContentType;
+      if (video) {
+        let videoCodecs = shaka.util.StreamUtils.patchVp9(video.codecs);
+        // For multiplexed streams. Here we must check the audio of the
+        // stream to see if it is compatible.
+        if (video.codecs.includes(',')) {
+          const allCodecs = video.codecs.split(',');
+          videoCodecs = shaka.util.ManifestParserUtils.guessCodecs(
+              ContentType.VIDEO, allCodecs);
+          const audioCodecs = shaka.util.ManifestParserUtils.guessCodecs(
+              ContentType.AUDIO, allCodecs);
+          const audioFullType = shaka.util.MimeUtils.getFullOrConvertedType(
+              video.mimeType, audioCodecs, ContentType.AUDIO);
+          if (!MediaSource.isTypeSupported(audioFullType)) {
+            return false;
+          }
+        }
+        const fullType = shaka.util.MimeUtils.getFullOrConvertedType(
+            video.mimeType, videoCodecs, ContentType.VIDEO);
+        if (!MediaSource.isTypeSupported(fullType)) {
+          return false;
+        }
+      }
+      const audio = variant.audio;
+      if (audio) {
+        const codecs =
+            shaka.util.StreamUtils.getCorrectAudioCodecs_(audio.codecs);
+        const fullType = shaka.util.MimeUtils.getFullOrConvertedType(
+            audio.mimeType, codecs, ContentType.AUDIO);
+        if (!MediaSource.isTypeSupported(fullType)) {
+          return false;
+        }
+      }
+
       // See: https://github.com/google/shaka-player/issues/3380
       if (shaka.util.Platform.isXboxOne() && video &&
           ((video.width && video.width > 1920) ||
@@ -562,12 +597,8 @@ shaka.util.StreamUtils = class {
       }
     }
     if (audio) {
-      // Some Tizen devices seem to misreport AC-3 support, but correctly
-      // report EC-3 support.  So query EC-3 as a fallback for AC-3.
-      // See https://github.com/google/shaka-player/issues/2989 for details.
       const codecs =
-          (audio.codecs.toLowerCase() == 'ac-3' &&
-          shaka.util.Platform.isTizen()) ? 'ec-3' : audio.codecs;
+          shaka.util.StreamUtils.getCorrectAudioCodecs_(audio.codecs);
       const fullType = shaka.util.MimeUtils.getFullOrConvertedType(
           audio.mimeType, codecs, ContentType.AUDIO);
 
@@ -678,6 +709,26 @@ shaka.util.StreamUtils = class {
     return configs;
   }
 
+
+  /**
+   * Generates the correct audio codec for MediaDecodingConfiguration and
+   * for MediaSource.isTypeSupported.
+   * @param {string} codecs
+   * @return {string}
+   * @private
+   */
+  static getCorrectAudioCodecs_(codecs) {
+    // Some Tizen devices seem to misreport AC-3 support, but correctly
+    // report EC-3 support.  So query EC-3 as a fallback for AC-3.
+    // See https://github.com/google/shaka-player/issues/2989 for details.
+    if (shaka.util.Platform.isTizen()) {
+      return codecs.toLowerCase() == 'ac-3' ? 'ec-3' : codecs;
+    } else {
+      return codecs;
+    }
+  }
+
+
   /**
    * MediaCapabilities supports 'vp09...' codecs, but not 'vp9'. Translate vp9
    * codec strings into 'vp09...', to allow such content to play with